src/jdk.jdi/share/classes/com/sun/tools/jdi/VirtualMachineImpl.java

rev 10537 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

@@ -879,16 +879,16 @@
             } else if (tag == JDWP.TypeTag.INTERFACE) {
                 sb.append("Interface");
             } else if (tag == JDWP.TypeTag.ARRAY) {
                 sb.append("ArrayType");
             } else {
-                sb.append("UNKNOWN TAG: " + tag);
+                sb.append("UNKNOWN TAG: ").append(tag);
             }
             if (signature != null) {
-                sb.append(", signature='" + signature + "'");
+                sb.append(", signature='").append(signature).append('\'');
             }
-            sb.append(", id=" + id);
+            sb.append(", id=").append(id);
             vm.printTrace(sb.toString());
         }
         if (id == 0) {
             return null;
         } else {